<?php
namespace App\Tools;

class ExpressBird
{
    private $config = array(
        'EBusinessID' => '',//请到快递鸟官网申请http://kdniao.com/reg
        'AppKey' => '',//请到快递鸟官网申请http://kdniao.com/reg
        'ReqURL' => 'http://api.kdniao.com/Ebusiness/EbusinessOrderHandle.aspx'//请求地址
//        'ReqURL' => 'http://testapi.kdniao.com:8081/api/dist'//请求地址
    );

    public function __construct()
    {
        $config = array(
            'EBusinessID' => '1303865',//请到快递鸟官网申请http://kdniao.com/reg
            'AppKey' => 'd51dbc6a-8973-4831-9dcc-01dbc52bd912',//请到快递鸟官网申请http://kdniao.com/reg
        );
        $this->config = array_merge($this->config, $config);
    }

    /**
     * 快递鸟获取快递物流信息
     * @param  [type] $order_orderid     [订单编号]
     * @param  [type] $order_expresstype [快递类型]
     * @param  [type] $order_expressnum  [快递编号]
     * @return [type]                    [description]
     */
    public function getExpressInfo($order_code, $express_name_code, $express_code)
    {
        header("Content-type:text/html;charset=utf-8");

        $data = array(
            'OrderCode' => $order_code,//订单编号
            'ShipperCode' => $express_name_code,//快递类型
            'LogisticCode' => $express_code//物流单号
        );
        //获取物流信息
        $res = $this->getOrderTracesByJson($data);
        //将json解析
        $e = json_decode($res, true);
        if (!$e['Success']) return result_json(409, $e['Reason']);
        $express = $e['Traces'];

        //让物流信息以时间排序
        $AcceptTime = array();
        foreach ($express as $user) {
            $AcceptTime[] = $user['AcceptTime'];
        }
        array_multisort($AcceptTime, SORT_DESC, $express);

        return result_json(200, '成功', ['items' => $express, 'info' => ['express_status' => $e['State']]]);
    }

    /**
     * Json方式 查询订单物流轨迹
     */
    public function getOrderTracesByJson($data)
    {
        //$requestData= "{'OrderCode':'','ShipperCode':'YTO','LogisticCode':'12345678'}";
        $data_default = array(
            'OrderCode' => '',//订单号
            'ShipperCode' => 'YTO',//快递类型
            'LogisticCode' => '12345678'//物流单号
        );
        $data = array_merge($data_default, $data);
        $requestData = json_encode($data);
        $datas = array(
            'EBusinessID' => $this->config['EBusinessID'],
            'RequestType' => '1002',
            'RequestData' => urlencode($requestData),
            'DataType' => '2',
        );
        $datas['DataSign'] = $this->encrypt($requestData, $this->config['AppKey']);
        $result = $this->sendPost($this->config['ReqURL'], $datas);

        //根据公司业务处理返回的信息......

        return $result;
    }


    /**
     *  post提交数据
     * @param  string $url 请求Url
     * @param  array $datas 提交的数据
     * @return url响应返回的html
     */
    public function sendPost($url, $datas)
    {
        $temps = array();
        foreach ($datas as $key => $value) {
            $temps[] = sprintf('%s=%s', $key, $value);
        }
        $post_data = implode('&', $temps);

        $url_info = parse_url($url);
        if (empty($url_info['port'])) {
            $url_info['port'] = 80;
        }
        $httpheader = "POST " . $url_info['path'] . " HTTP/1.0\r\n";
        $httpheader .= "Host:" . $url_info['host'] . "\r\n";
        $httpheader .= "Content-Type:application/x-www-form-urlencoded\r\n";
        $httpheader .= "Content-Length:" . strlen($post_data) . "\r\n";
        $httpheader .= "Connection:close\r\n\r\n";
        $httpheader .= $post_data;
        $fd = fsockopen($url_info['host'], $url_info['port']);
        fwrite($fd, $httpheader);
        $gets = "";
        $headerFlag = true;
        while (!feof($fd)) {
            if (($header = @fgets($fd)) && ($header == "\r\n" || $header == "\n")) {
                break;
            }
        }
        while (!feof($fd)) {
            $gets .= fread($fd, 128);
        }
        fclose($fd);

        return $gets;
    }

    /**
     * 电商Sign签名生成
     * @param data 内容
     * @param appkey Appkey
     * @return DataSign签名
     */
    public function encrypt($data, $appkey)
    {
        return urlencode(base64_encode(md5($data . $appkey)));
    }

}